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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...it occurs on the MySQL server.
Without EMULATE_PREPARES you may get syntax errors at prepare-time rather than at execute-time; with EMULATE_PREPARES you will only get syntax errors at execution time because PDO doesn't have a query to give to MySQL until execution time. Note that this affects the co...
Testing service in Angular returns module is not defined
...ct (Taken from the Angular Seed project on GitHub), but I keep getting the error "module is not defined".
7 Answers
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Why are these constructs using pre and post-increment undefined behavior?
... concept of undefined behavior, i.e. some language constructs are syntactically valid but you can't predict the behavior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers w...
Proper use cases for Android UserManager.isUserAGoat()?
...the following produces a warning in Java (that can further produce compile errors if mixed with return statements, leading to unreachable code):
while (1 == 2) { // Note that "if" is treated differently
System.out.println("Unreachable code");
}
However this is legal:
while (isUserAGoat()) {
...
“VT-x is not available” when i start my Virtual machine [closed]
I have created a virtual machine using the VMWare software and getting an error while starting the Virtual Machine. It says "VT-x is not available:
...
Java's final vs. C++'s const
... const;
};
void test(const Foo& i) {
i.foo(); //fine
i.bar(); //error
}
Values can be assigned, once, later in Java only e.g.:
public class Foo {
void bar() {
final int a;
a = 10;
}
}
is legal in Java, but not C++ whereas:
public class Foo {
void bar() {
fi...
How to replace a string in a SQL Server Table Column
...ax)) LIKE '%\\Ingl-report\Templates%'
Without the CAST function I got an error
Argument data type ntext is invalid for argument 1 of replace function.
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Duplicate AssemblyVersion Attribute
I have a project that generates following error on compilation:
21 Answers
21
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What's the difference between isset() and array_key_exists()? [duplicate]
...lls if the expression (array) is defined, and the key is set
no warning or error if the var is not defined, not an array ...
but returns false if the value for that key is null
and array_key_exists
tells if a key exists in an array as the name implies
but gives a warning if the array parameter i...
jQuery checkbox change and click event
... edited Aug 21 '19 at 8:32
callmebob
4,51355 gold badges2323 silver badges3737 bronze badges
answered Aug 11 '11 at 19:05
...